The Journal of 



HEREDITY 



^ montklu puUicatm tkvokd tojmtjjveedLm 

 Animal 3reedim and EiiQEmcs 



^ 



CHANTECLER POULTRY 



TR.'\BUT— PLANT BREEDER 



AN HISTORIC ORANGE TREE 



BROTHERS IN RUGBY FOOTBALL 



PARENTS' AGE AND QUALITY OF OFFSPRING 



IN COWS 



INTELLIGENCE AND SCHOOLING 



RUST RESISTANT OATS 



PUBLISHED MONTHLY AT MENASHA, WISCONSIN 



BY THE 



AMERICAN GENETIC ASSOCIATION 



EDITORIAL AND GENERAL OFFICES 

 WASHINGTON, D. C. 



Volume XIII, Number 4 April, 1922 



Date of Issue— Nov. 9, 1922 



